STWD100YNPWY3F - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

STWD100YNPWY3F
Manufacturer

ST Microelectronics
ChipWorker Part#

CW25779510
Category

Power Monitor
Package

SOT-23-5
Description

STWD100 Series 2.7 to 5.5V Surface Mount IC Watchdog Timer Circuit - SOT-23-5
Documentation

Datasheet

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STWD100YNPWY3F Specifications

Attribute	Attribute Value

Part Number	STWD100YNPWY3F
Manufacturer	ST Microelectronics
ChipWorker Part#	CW25779510
Category	Power Monitor
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	5 Pin
Case/Package	SOT-23-5
Supply Voltage (DC)	2.70V (min)
Supply Current	13 µA
Number of Positions	5 Position
Power Dissipation	320 mW
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	320 mW
Supply Voltage	5 V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
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Size-Length	3 mm
Size-Width	1.75 mm
Size-Height	1.3 mm
Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The STWD100YNPWY3F is a Watchdog Timer Circuit with chip enable input and active-low open-drain output. The watchdog timer circuit is self-contained device which prevent system failures that are caused by certain types of hardware errors (such as, non-responding peripherals and bus contention) or software errors (such as bad code jump and code stuck in loop). The STWD100 watchdog timer has an input, WDI and an output, WDO. The input is used to clear the internal watchdog timer periodically within the specified timeout period, twd. While the system is operating correctly, it periodically toggles the watchdog input, WDI. If the system fails, the watchdog timer is not reset, a system alert is generated and the watchdog output, WDO, is asserted. The STWD100 circuit also has an enable pin, EN, which can enable or disable the watchdog functionality. The EN pin is connected to the internal pull-down resistor. The device is enabled if the EN pin is left floating.
13µA Typical current consumption
2000V HBM and 1000V RCDM ESD performance

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